55455001 has 32 divisors (see below), whose sum is σ = 70189056. Its totient is φ = 42768000.

The previous prime is 55454983. The next prime is 55455007. The reversal of 55455001 is 10055455.

55455001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55455001 - 2¹⁹ = 54930713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55455007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204496 + ... + 204766.

It is an arithmetic number, because the mean of its divisors is an integer number (2193408).

Almost surely, 2^55455001 is an apocalyptic number.

It is an amenable number.

55455001 is a deficient number, since it is larger than the sum of its proper divisors (14734055).

55455001 is a wasteful number, since it uses less digits than its factorization.

55455001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 55455001 is about 7446.8114653186. The cubic root of 55455001 is about 381.3410626873.

It can be divided in two parts, 554 and 55001, that added together give a palindrome (55555).

The spelling of 55455001 in words is "fifty-five million, four hundred fifty-five thousand, one".